301-CPH-Amendment 04 AMENDMENT 4
TO AGREEMENT DATED DECEMBER 17, 1987
FOR
PRELIMINARY ENGINEERING SERVICES
IN CONNECTION WITH THE MILL CREEK / CLOUD BRANCH DRAINAGE BASINS
BETWEEN
THE CITY OF SANFORD, FLORIDA
AND
CONKLIN, PORTER & HOLMES-ENGINEERS, INC.
This Agreement made on the ~9~ day of c~aled~the , 1989,
between the CITY OF SANFORD, FLORIDA (hereafter CITY) and
CONKLIN, PORTER & HOLMES-ENGINEERS, INC. (hereinafter called the
ENGINEER), is mutually agreed upon and declared an authorized Amendment to
an Agreement dated December 17, 1987, between the parties, herein setting
forth the scope, terms and conditions of the work herein authorized.
In case of any~onflict between this Amendment 4 and the aforementioned
Agreement of December 17, 1987, this Amendment shall govern for the work
described herein.
SECTION 1
PURPOSE OF STUDY
1.1 This Amendment 4 work is to provide Preliminary Engineering
services for the interceptor storm drainage improvements
generally outlined in the April 1988 Drainage Study, which areI
more specifically described herein.
1.2 Purpose
Perform additional preliminary engineering studies to better
define, refine, consider alternate solutions and better
interrelate the individual improvements generally identified and
discussed in CPH's April 1988 drainage study. The result is to
be a unified and integrated preliminary plan that can be
implemented by the City on a yearly budget basis by selecting
individual road crossings or other appropriate improvements for
implementation. The report and plan will include the
establishment of needed land and rights-of-way, preliminary flow
line elevations, refined pipe sizes, ditch sections, channel
realignments, detention basin locations and sizes, and
preliminary cost estimates for land and improvements.
SECTION 2
Scope of Preliminary Engineering and Related Services
2.1 GENERAL
The attached detailed Plan of Study describes the individual work items of
this Amendment and is hereby made a part of this project work.
2.2 SUBCONSULTANTS
2.2.1 Surveys
Provide supplementary preliminary survey elevation data for stream reaches
not covered by the original City-furnished survey information provided in
connection with the April 1988 Study. Plot the survey information on the
profile portion of the aerial-based preliminary plan/profile sheets.
Obtain spot elevations of preliminary topographic information at the 5
proposed detention basin locations (excluding Coastline Park proper where
topographic information from Reclaimed Water System design is available).
2.2.2 Aerial Mapping
Obtain Mill Creek and CLoud Branch 1" = 400' approximate scale overall
aerial mylar of the study area (1 sheet estimated).
Obtain aerial mylar strip maps (1" = 30') for reaches identified on
Exhibit B (54 single plan/profile sheets estimated).
Obtain a second set of mylars (1" = 30') for purposes of providing the
plan view portion of the plan/profile sheet for right-of-way maps (27
sheets - 2 plan views per sheet).
Obtain aerial mylar maps at 1" = 50' to 1" = 80' scales for 5 proposed
detention sites (5 sheets estimated).
2.2.3 Real Estate Subconsultant
A real estate subconsultant approved by the City will be employed by the
Engineer to work with the Engineer, subconsultant surveyor, and City staff
in determining advisable property or easement requirements; investigating
the feasibility of acquiring the property; estimating the property values
of the various tracts including detention basin sites, property rights or
easements needed to be acquired; reviewing the right-of-way maps to be
prepared by the Engineer/Surveyor; and contacting property owners to
discuss acquisition, terms and conditions in a preliminary way and
reporting on these activities in writing.
The real estate subconsultant services will be based upon record research
information furnished by the City as to existing public rights of way,
easements, and existing property lines and ownerships at the detention
sites and along the reaches of Mill Creek and Cloud Branch (See Exhibit B
for the stream reaches included). In addition, the City will furnish
copies of recorded plats and tax maps involved. These real estate
services will also be based upon the Engineer and City staff advice and
counsel as to the amount or width of land needed for construction,
operation and maintenance and conservation or flowage purposes of the
proposed drainage system.
2.2.4 Soils Subconsultant
Obtain through subcontract with a City approved soils firm limited soils
information on 3 detention sites (excluding the tract southwest of
Goldsboro School and Coastline Park proper on which sites sufficient
preliminary soils information is available). Preliminary soils
information to be obtained will consist of examination of USDA published
soils information supplemented by approximately one dozen shallow auger
~-~
borings with soil classification to a depth of approximately six feet,
ground water table notation and limited probing of suspected muck areas on
each of the 3 additional detention sites plus land north of Coastline Park
proper and south of railroad.
2.2.5 Administration and Coordination of Subconsultant Work
Subconsultant services to be administered and coordinated include survey
services, aerial mapping services, real estate services and soils
services.
2.3 DRAINAGE RIGHT-OF-WAY MAPS
Preparation of approximate scale right-of-way maps for the proposed
drainage interceptor system shown on Exhibit B to approximate scale of 1"
= 30' on enlarged aerial strip mapping (cost based on 54 sheets). Maps to
include approximate property dimensions, boundaries, and descriptions as
taken from tax record and recorded plats, all as furnished by the City
record search. Also included are 5 drawings at 1" = 50' to 1" = 80'
scales showing land to be obtained for detention at the 5 proposed sites
with current property owner names shown thereon. Existing rights-of-way
and drainage easements will be furnished by City and indicated on the
maps. Maps to also include property or easements as determined needed for
construction, operation and maintenance of drainage system and for
overflow or D.W.C.E. purposes. Current property owners of tracts or
easements needed to be obtained will also be shown on the maps based on
record research furnished by City from tax record and other search.
The existing property lines, public rights of way, and drainage easement
lines will not be physically field surveyed nor located mathematically on
the right of way maps. The property lines and easement lines will be as
taken from the tax maps, recorded plats, descriptions, dimensions and
records furnished by the City and shown in approximate position on the
right of way maps, and therefore, may be subject to some locational and
dimensional error over those obtained by actual field surveys. In
addition, the existing drainage facilities will not be physically surveyed
nor mathematically located on the right-of-way maps or preliminary
engineering drawings with respect to property lines nor shown on the
right-of-way maps. The physical, mathematical, locational surveys of the
existing facilities, property lines, easements and public rights of way
are not part of this preliminary work because of the high cost of
surveying and physically locating these facilities with respect to each
other and the numerous property lines involved. This work will be
deferred until the right-of-way acquisition stage or other later stage of
the project work.
PRELIMINARY REPORT
The preliminary engineering report will include criteria, discussion,
results, recommendations, and preliminary cost estimates for land and
right-of-way acquisition; for construction and maintenance of the major
crossings; for channel maintenance and improvements; and for final
detention basin sizes with related outfall pipe sizes for those
improvements described in the April 1988 report and within the reaches
shown on Exhibit B. Detention basin and resulting downstream facility
alternatives as described elsewhere herein will be investigated first,
discussed with City officials, and the final selected alternatives will be
incorporated into the final report and drawings.
2.5 PRELIMINARY DRAWINGS
The preliminary engineering drawings will consist of a series of aerial
plan/profile sheets at a scale of 1" = 30' on the main channels and
tributaries of Mill Creek and Cloud Branch shown on Exhibit A attached.
The plan/profile aerial mapping will be prepared as strip maps along the
streams from existing December, 1986 photography utilizing limited
horizontal control for partially rectifying the photography by measuring
distances in the field between photo-identifiable points. Flow line
elevations and pipe or structure sizes at each proposed major crossing and
proposed channel sections will be shown on the plan/profile sheets. The
plan/profile drawings will show piping and other physical facility
realignments as finally determined after discussions with City officials.
The affected reaches of the stream are shown on Exhibit B and described in
Exhibit A. The preliminary drawings will also include a drawing showing
the approximate property limits, extent, configuration; cross section and
inlet and outlet structures, and miscellaneous details for each proposed
detention basin site. Except for Coastline Park where a base map is
available from the reclaimed water irrigation system, the detention basins
will be shown on enlarged aerial photograph mylar base maps at 1" = 50' to
1" = 80' scales for each detention basin.
2.6 PLAN OF STUDY
Attached as Exhibit C is a Plan of Study which is hereby made a part of
this Amendment showing in more detail the scope of work contemplated, the
time estimates, subconsultant costs, and overall cost estimates for the
Scope of work described herein.
SECTION 3
Additional Services of the Engineer
3.1 If authorized by the CITY, the ENGINEER shall furnish or obtain
from others the following additional services, or the CITY may
provide these services separately or directly with the prorider.
Such additional services will be paid for by the CITY as outlined
in Section 5.
3.1.2 Record search, right-of-way, easement information, furnishing of
record plats.
3.1.3 Final designs, construction plans and bidding documents.
3.1.4 Preparation of permit applications other than the St. Johns River
Water Management District Conceptual permit.
3.1.5 Bidding services and construction inspection services
3.1.6 Administration of construction services
3.1.7 Services resulting from significant changes in the Scope of
Services outlined
3.1.8 Additional engineering, soils, and surveys on additional stream
reaches than designated herein or an increase in the scope of the
preliminary services described.
3.1.9 Additional services due to significant changes in general scope
of the project or its design including, but not limited to,
changes in size, complexity, or character of construction.
3.1.10 Revising previously approved studies, reports, design documents,
drawings or specifications.
3.1.11 Additional services resulting from public protests,
administrative hearings, or similar matters.
3.1.12 Preparing to serve and/or serving as an expert witness for the
OWNER in any litigation, public hearing, condemnation proceeding,
right of way acquisition or negotiation, or other
legal/administrative proceeding.
3.1.13 Furnishing additional copies of reports and additional prints of
drawings beyond those called for in the Basic Services.
3.1.14 Additional engineering services required by revisions subsequent
to the date of this Agreement to the applicable regulations or
new (after date of this Agreement) regulations of the Florida
Dept. of Environmental Regulation, SJRWMD, C of E, or other
regulatory agency requirements.
3.1.15 Additional services in conjunction with the project including
services normally furnished by the CITY and other services that
are not included in the basic Scope of Services of this
Agreement.
SECTION 4
Owner Furnished Services
4.1 The City will provide record research on property ownership and
furnish a copy of pertinent record plats or tax maps, tax and
separately recorded descriptions and records at any proposed
detention sites; on existing channel or improvement reroutings;
on existing or proposed drainage easements or public
rights-of-way; and will provide information on existing buried
facilities reasonably available and on the suitability of
existing or proposed rights-of-way for maintenance of existing
and proposed systems.
4.2 Guarantee access to and to make all provisions for the ENGINEER
to enter upon public and private lauds as required for the
ENGINEER to perform his work under this Agreement.
4.3 Consider and advise or approve subconsultants proposed for use by
the ENGINEER On the project work.
4.4 Provide such legal, final land acquisition, accounting and
insurance counseling services as may be required for the Project,
and such auditing services as the OWNER may require to ascertain
how or for what purpose the contractor has used the monies paid
to him under the construction agreements.
4.5 Designate in writing a person to act as OWNER's representative
with respect to the work to be performed under this Agreement;
and such person shall have complete authority to transmit
instructions, receive information, interpret and define OWNER'S
policies and decisions with respect to materials, equipment
elements and systems pertinent to the work covered by this
Agreement.
4.6 Provide recreational land use and other joint or additional land
use of detention and other sites and operation and maintenance
land or width requirements for the drainage system.
4.7 Give prompt written notice to the ENGINEER whenever the OWNER
observes or otherwise becomes aware of any defect or problems in
the Project.
4.8 Obtain approval of all governmental authorities having
jurisdiction over the Project and such approvals and consents
from such other individuals or bodies as may be necessary for
completion of the Project.
4.9 Examine all studies, reports, sketches, addenda, change orders,
estimates, specifications, drawings, proposals and other
documents presented by the ENGINEER and shall render decisions
pertaining thereto within a reasonable time so as not to delay
the work of the ENGINEER or the Contractor.
4.10 Furnish, or direct the ENGINEER in writing to provide, at the
OWNER's expense, necessary additional services as stipulated in
Section 3 of this Agreement, or other services as required.
,~-~
SECTION 5
PAYMENT FOR SERVICES
5.1 PAYMENT
5.1.1 Payment for the scope of Basic Services described in Section 2
and elsewhere herein shall be computed by multiplying Direct
Personnel Expense times a factor of 2.05 plus all reimbursable
expenses, for an estimated total compensation of $98,695.56.
Direct personnel expense shall mean the salaries and wages paid
to principals and employees of all classifications engaged
directly on the project, plus the cost of fringe benefits
including, but not limited to, social security, workers
compensation, health and retirement benefits, sick leave,
vacation, and holiday pay applicable thereto. Reimbursable
expenses such as prints and long distance telephone calls will be
paid for at actual cost thereof, without increase.
5.1.2 Subconsultant charges including surveying, aerial mapping, soils
and real estate subconsultant services included in the basic
scope of services will be billed to the CITY at actual cost
without increase.
5.1.3 Payment for services rendered in connection with the Additional
Services of Section 3 will be individually negotiated for each
item requested, and will be subsequently designated in the
authorization to proceed or the appropriate amendment to this
engineering agreement.
IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed as of the day and year hereinabove set forth.
(Signature on following page .... )
CITY OF SANFORD, FLORIDA
ATTEST: % ~ ~
CONKLIN, PORTER & HOLMES-
ENGINEERS, INC.
Bristol C. Conklin, Pres.
ATTEST:
~Gardner, Sec'y Treas.
S06~7 COMB AMEND
EXHIBIT A
Description of Detention Sites and Stream Reaches
Included in Study
A.1 DETENTION BASIN AND DOWNSTREAM FACILITY LOCATIONS
Based on the results of the April 1988 CPN Study, detention
basins are planned at the following locations:
Mill Creek Cloud Branch
S.W. of Goldsboro School Coastline Park area -
on the easterly or main joint land use proposed
branch with City park and
reclaimed water irrigation
McCracken Road west of SCL Area South of 16th
Main line on the south- Street and north of iSth
westerly tributaries Street
North of 8th Street and
South of 5th Street on
the main channel in the
general area of SCL
tracks
A.2 CLOUD BRANCH STREAM REACMES INCLUDED
A.2.1 Starting at the outlet of the FDOT drainage system on French
Avenue at 24th Street (1), and proceeding west through the 24th
Street, Pinecrest City Park, north and under 20th Street; under
19th Court into a proposed detention basin north of 18th Street
(2); under 16th Street and 14th Street/Roundtree (3), and under
13th Street (4).
NOTE
Numbered locations, i.e. (1), (2), etc. are shown on Exhibit B
which is a small scale map of the study area, showing stream
reaches, detention sites, and locations described herein.
A.2.2 Alternate alignments for improvements will be investigated north
of 13th Street in an attempt to relocate the channel from the
existing narrow confines and serpentine and jogged alignment
between existing houses and properties to a more direct alignment
to the general area of Coastline Park (5), where a detention
basin is planned.
A.2.3 Alternate sized detention basins with resulting outfall systems
of differing sizes will have been investigated and a cost
effective alternative selected at Coastline Park (5). The
detention basin on and/or adjacent to the Park will serve to
provide treatment and attenuate main and tributary channel flows
and reduce downstream flows and improvement costs.
A.2.4 The final basin configuration near Coastline Park will also
realign as necessary the direction of incoming flows from various
tributaries that come together at or near this location.
A.2.5 After basin size and general configuration is completed at
Coastline Park, preliminary engineering will be done on
downstream flow lines and channels as well as the needed
upgradings of the crossings at 8th Street (6) and S.C.L. railroad
(7).
A.2.6 No additional improvements are contemplated or to be studied to
Cloud Branch under this study after it crosses under the railroad
north of 8th Street.
A.3 MILL CREEK STREAM REACHES INCLUDED
The Mill Creek Preliminary Engineering will begin near the
headwaters of the easterly branch of Mill Creek, just north of
25th Street. Preliminary engineering services include:
· A.3.1 Establish~..¢nt of flow line elevations to ~_~ together and refine
size of the supplemental driveway culverts to be installed just
north of 25th Street near Georgia Avenue (8) and the culverts to
be replaced at Bradshaw Street (9), Chase Street, Marshall Avenue
(10), and 20th Street (11), as well as any needed channel
improvements. Preliminary engineering on the system (11) to be
constructed at 20th Street and from the street crossing to the
new detention pond to be constructed south of 18th Street and
southwest of Goldsboro School will also be accomplished as part
of this work. These improvements will be interrelated and
coordinated with the preliminary engineering on the detention
basin south of 18th Street (12) and in a closed system carrying
north on Mulberry (13); west on 14th Street and under 13th Street
to a point about 100' north of 13th Street in the closed system.
A.3.2 Preliminary engineering of facilities from 100' north of 13th
Street (14), where the closed pipe system ends, northward on
through planned improvements at 8th Street {15) to a proposed
detention basin at the confluence of the westerly (Tributary D)
with the main or easterly branch and southwesterly branches
(Tributary E) of Mill Creek at (16).
A.3.3 Improvements to the most southerly of the southwest branches of
Mill Creek (Tributary C in April 88 report) including pipe
improvements around 18th Street and Southwest Road.
A.3.4 Services on a new culvert to be constructed under the railroad at
a location approximately adjacent to Academy Court (17) and a new
diversion channel constructed to flow north along the west side
of the railroad (18) to the proposed detention basin near
McCracken Road (19). This new system will redirect and convey
flow from the tributary that now drains Sanford Commerce Center
and other upstream areas to the new McCracken Road detention
basin. The remaining portion of this existing tributary
downstream of the new railroad crossing wl~l continue to flow
north (20), through Crooms School of Choice, but at a much
reduced flow rate to join the main body of flow in the easterly
branch of Mill Creek near the West Side Recreation Center.
A.3.5 Improvements to the most northerly of the southwest branches of
Mill Creek (Tributary E in the April 88 report) that flows east
along the north side of McCracken Road (21) which will also be
redirected to the detention basin to be generally located at
McCracken Road west of the Railroad (19). Preliminary
engineering for the detention basin will include alternate basin
sizes and resulting outfall systems which will be investigated
and costs provided to aid the City in the selection of a
cost-effective basin/outlet system. The remaining downstream
portion of this tributary will be the outfall for the basin and
will require new culverts or additional culverts at McCracken
Road, the railroad, and 8th Street. Under this contract, we will
perform the refined preliminary engineering necessary to
interconnect these systems with each other and also with the main
channel of Mill Creek.
A.3.6 Preliminary engineering of the most northerly of the branches of
Mill Creek (Tributary D in the April 88 report) that flows east
along the south property line of the Amtrak Station and
eventually to the basin north of 8th Street at (16). Upstream
pipe sizes for the crossings at Meisch and Beylet Roads (22) will
be provided.
A.3.7 Preliminary engineering a new detention basin proposed for the
area adjacent to the main channel, north of 8th Street (16),
where two major tributaries are connected to the main channel.
Alternate pond sizes and associated control structures and
outlets under the railroad will be investigated and costs
provided to aid the City in the selection of an optimum system.
A.3.8 No additional improvements to Mill Creek are contemplated or to
be studied under this Amendment 2 after it crosses under the
operating railroad line north of 7th Street and south of 6th
Street after being detained and attenuated in the proposed
detention basin.
EXHIBIT "C"
DETAILED PLAN OF STUDY
item of Work Time in Man-Hours
P E T D S Expense Comments
2.1 GENERAL
2.1.1 Orientation of personnel, project start-up, 2 4 2 - 4
planning, budgeting and project organization.
2.1.2 Gather basic data - maps, plans, files, lO 4 - 4 300
aerial s, developments, storm facilities, road plans,
etc.
2.1.3 Refine scope of project with City Staff 4 4 ~
reviewing previous April 1988 report and recommended
routes and improvements shown therein,
2.1.4 Coordination, liaison, and communication 8 20 - 4
with Owner on standards, progress, design, plans,
etc. (5 meetings estimated and included in fee
including preparation, meeting and follow-up).
2.1.5 Determine scope, prepare and negotiate 4 6 - 4
subcontracts for soils, surveying, aerial mapping,
real estate subconsultant.
(. 2.1.6 Coordination, liaison, and communication 12 12
with regulatory agencies (3 meetings estimated and 6 12 - lO
included in maximum fee including preparation,
meeting, and follow-up). Miscellaneous telephone
conversations.
2.1.7 Field investigations of sites, existing 8 24 - 150
facilities, possible routes, review maps, alternative
designs, etc. (multiple trips at various stages).
Item of Work Time in Man-Hours
P E T D S Expense Comments
2.2 SUBCONSULTANTS
2.2.1 Surveys
Provide supplementary preliminary survey elevation
data for stream reaches not covered by the original
City-furnished survey information provided in connection
with the April 1988 Study. Plot the survey information
on the profile portion of the aerial-based preliminary
plan/profile sheets.
Obtain spot elevations of preliminary topographic
information at the 5 proposed detention basin locations
(excluding Coastline Park proper where topographic
information from Reclaimed Water System design is
available).
16,170 Surveys
Obtain spot elevations and general topographic
information at the 5 proposed detention basin
locations (excluding Coastline Park proper where
topographic information from Reclaimed Water System
design is available).
2.2,2 Aerial Mapping
~ Obtain Mill Creek and CLoud Branch l" = 400' approx- 107
- imate scale overall aerial ntvlar of the study area
(1 sheet estimated),
Obtain aerial mylar strip map (1" = 30') for reaches 7,717
identified on Exhibit B (54 single plan/profile sheets
estimated).
Obtain aerial mylar maps a 1": 50' to 1": 80' scales 530
for 5 proposed detention sites (5 sheets estimated).
Obtain duplicate double plan sheets at 1"=30' for ROW 1,102
maps.
· Additional surveys for photo identifiable Objects to 500
give better horizontal control.
Item of Work Time in ManyHours
P E T D S Expense Comments
2.2.3 Real Estate Subconsultant
A real estate subconsultant approved by the City will be 7,450 100 hours @ $70.00 + $450
employed by the Engineer to work with the Engineer,
subconsultant surveyor, and City staff in determining
advisable property or easement requirements; investv
igating the feasibility of acquiring the property;
estimating the property values of the various tracts
including detention basin sites, property rights or
easements needed to be acquired; reviewing the right~
of-way maps to be prepared by the Engineer/Surveyor; and
contacting property owners to discuss acquisition, terms
and conditions in a preliminary way and reporting on
these activities in writing.
The real estate subconsultant services will be based
upon record research information furnished by the
City as to existing public rights of way, easements,
and existing property lines and ownerships at the
detention sites and along the reaches of Mill Creek and
Cloud Branch (See Exhibit B for the stream reaches
included). In addition, the City will furnish copies
of recorded plats and tax maps involved. These real
estate services will also be based upon the Engineer
and City staff advice and counsel as to the amount
or width of land needed for construction and operation
and maintenance, and conservation or flowage purposes
of the proposed drainage system.
2.2.4 Soils Subconsultant
Obtain through subcontract with a City approved soils 6,000 $1,500/site x4
firm limited soils information on 3 detention sites
lexcluding the tract southwest of Goldsboro School and
Coastline Park proper on which sites sufficient pre-
liminary soils information is available). Preliminary
soils information to be obtained will consist of examin-
ation of USDA published soils information supplemented
by approximately one dozen shallow auger borings with soil
Item of Work Time in Man~Hours
P E T D S Expenses Comments
classification to a depth of approximately six feet,
ground water table notation and limited probing of
suspected muck areas on each of the 3 additional detention
sites plus land north of Coastline Park proper and south
of railroad.
2.2.5Administration and Coordination of Subconsultant
Work
Surveys lO 16 - 6 hrs/wk x 4T1/3 = 1 mo
Aerials 4 6 2 month's actual work
Real Estate 3 lO - 4 2hrs/wk x 2 x 4~1/3 = 17
Soils 2 6 ~
2.3 DRAINAGE RIGHT OF WAY MAPS
Preparation of approximate scale right-of-way maps for 2 4 6 T Evalual & Organ of research
the proposed drainage interceptor system shown on Exhibit data from City
B to approximate scale of 1" = 30' on enlarged aerial
strip mapping (cost estimate based on 27 sheets). Maps 9 17 139 27 shts (24x36) w/2 plans
to include approximate property dimensions, boundaries, view/sht-no profile
and descriptions as taken from tax record and recorded
plats, all as furnished by the City record search. Also
included are 5 drawings at l" = 50' to l" = 80' scales 1 2 10 General overall index aerial
showing land to be obtained for detention at the 5
proposed sites with current property owner names 1 4 20 Detention sites/5 sites
shown thereon. Existing rights~of-way and drainage 2 per day
easements will be furnished by City and indicated on
the maps. Maps to also include property or easements 8 12 24 - Determination of easements
as determined needed for construction, operation and needed
maintenance of drainage system and for overflow or
D.W.C.E. purposes. Current property owners of tracts 2 4 39 Add. easements to dwgs -
or easements needed to be obtained will also be shown 1.5/hours per sheet
on the maps based on record research as furnished by
City from tax record and other search.
2.4 PERFORM PRELIMINARY ENGINEERING DESIGN
2.4.1 Review, summarize and revise as necessary, 2 16 16 -
previously calculated subsbasin drainage areas; design
storm (25 year ~ 6 hour); runoff curve or coefficient
calculation numbers; hydrograph shape factors; time
of concentrations; preydevelopment and postsdevelopment
runoffs; and criteria and assumption affec.ting pre
and post development runoff.
Item of Work Time in ManyHours
P E T D S Expenses Comments
2.4.2 Assemble survey information; plot up working 6 16 16
stream profiles and cross sections and verify previous
work and/or calculate in-stream storage volume/depth
relationships for applicable reaches of the streams,
I proposed rights-of-way
to determine whether private property would be flooded
and the acceptability and/or practicality of allowing
or preventing storage from accumulating outside
proposed rights-of-way limits.
2.4.3 At 5 detention sites, plot up topographic 4 20 T
survey information; determine approximate upstream
hydraulic grade line, downstream low invert for 2 6 - -
drawdown, and effective storage depth; evaluate soils
and ground water elevation and environmental constraints 4 T
on sites; evaluate other joint site use and land
requirements; evaluate freeboard requirements, natural 3 10 - 20 ~
ground grade, berm heights and slopes; layout 3
varying sized basins at each site and calculate 2 8 3 15 ~
stage/storage relationships.
2.4.4 Rough size conveyances for subsequent - 6 ~ 1st rough size use 4/88
hydraulic computer analysis using interconnected pond ~ 8 - - study results
routing methods. 2 preliminary runs for correlation ~ 6 ~ Refine size
and calibration; 3 runs for 3 alternative basin sizes. ~ 6 - v 2rid run
v 12 ~ 3 alt basin sizes run
2.4.5 Adjust sizes of pipes and conveyances as 2 4 -
required to refine sizes and eliminate restrictions
and flooding on 3 basin size alternatives.
2.4.6 Rerun computer runs for 3 alternative basin - 8
sizes using adjusted pipe sizes and conveyances.
2.4.7 Quantities and cost estimates including land 2 8 8
for 3 alternative basin sizings at the 5 detention basin
sites including the basins and affected downstream
piping and other facilities for alternative comparison
of detention sizing alternatives.
Item of Work Time in Man~Hours
P E T D S Expenses Comments
2.4.8 Prepare detention site layout sketches and 2 2 4
downstream facilities for 3 alternate basin sizings to
accompany cost estimates and discuss result with City
staff and meet with City Commission and arrive at
tentative decision of most cost effective solution.
2.4.9 Complete tentative rough pipe and facility - 2 4
sizings in tributaries and reaches upstream of
detention sites and not included in previous detention
basin alternative sizing studies of 2.4.3 - 2.4.8.
2.4.10 Computer hydraulic analysis of total system
using interconnected pond routing methods with
general detention alternative sizes and locations
chosen.
Preliminary computer run for analysis of system as 8
previously sized.
Adjustment in sizing and designs to alleviate trouble 1 4
spots.
Final computer analysis for report presentation. 1 6
2.5 Project prioritization (in consultation with 2 6
City Staff).
2.6 Prepare preliminary engineering drawings
2.6.1 On l" = 400' base aerial mylar, show total 2 6 v
system and location and numbering of individual plan
/profile sheets.
Item of Work Time in ManyHours
P E T D S Expenses Comments
2,6.2 Using l" = 30' mylar plan/profile aerial base
sheets, prepare preliminary plan/profiles along all reaches
shown on Exhibit B and described in Exhibi't A
24" x 36" - estimated required)
Drafting (54 sheets) 156
Supervision 8 15
Checking 12 20
Changes 1 2 16
Review 4
2,6.3 Using 1" = 50' to 1" = 80' individual
24" x 36" plan aerial mylar sheets for detention sites,
prepare reliminary plan sheets showing preliminary
topographY, proposed detention basin configuration
at 5 detention basin sites (5 sheets estimated required.
Drafting. 25
Supervision 5
Checking 3 6
Changes 4
Review 3
2.6.4 Show typical preliminary detail drawings
(24" x 36") including special structures and conveyances
such as box culverts, railroad crossings, detention
basin outlet structures, basin and embankment typical
sections and effective storage depths and channel
sections necessary in various reaches.
2 sheets T basin details - drafting,=supervision 2 2 12
2 sheets - special structures checking, changes and v 2 2 12 -
1 sheet - channel sections review)
2,7 Report Preparation
2.7,1 Writing 20 40
Item of Work Time in ManyHours
P E T D S Expenses Comments
2,7.2 Typing - 24
2.7.3 ReportTsize drawings preparation 2 4 24
2.7.4 Review 4 2
2.8 Quantities and preliminary estimates 2 10 20 4
of land and physical facilities
2.9 Conceptual permit ~ SJRWMD
2.9.1 Permit preparation, meeting with SjRWMD 2 lO 4
staff and followup and attendance to gain permit
issuance.
2.10 Response to comments from SJRWMD and minor 2 4 T 4
revisions.
2.11 Reproduction, review, submission and 2 20 2,000 Reproduction of report;
miscellaneous handling. 160 row plans repro; prel
312 engr repro
15 copies of report and 5 copies right-ofvway
maps and preliminary engineering drawings included
2.12 Presentation to City Commission 2 2 v ~
Right~of-way Maps
Engineering Preliminary Report
Preliminary Engineering Plans
GRAND TOTAL ~ ENTIRE PROJECT 127 396 209 530 86 $42,498
Fee Calculation:
Salary Cost = 18,699.48
Times 1.466 {Current D.P.E.) x 2.05 = 56,197.56
Out-of-Pocket Expenses ............ = 5,161.00
Subconsultant Expenses ............. 37,337.00 ($16,170 surveys; $7,717 aerials; $7,450 Real Estate Consul; $6,000 Soils)
PROjECT TOTAL ...................... 98,695.56